Home / 15,566.88-23,279.40-11,620.92

Finding the Fourth Proportional to 15,566.88, 23,279.40 and 11,620.92

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Solution

The fourth proportional to 15,566.88, 23,279.40 and 11,620.92 is: 17,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.88 : 23,279.40 = 11,620.92 : x
  2. Step 2: Convert to fraction form
    15,566.88/23,279.40 = 11,620.92/x
  3. Step 3: Cross multiply
    15,566.88x = 23,279.40 × 11,620.92
  4. Step 4: Simplify right side
    15,566.88x = 270,528,045.05
  5. Step 5: Solve for x
    x = 270,528,045.05/15,566.88
  6. Step 6: Final answer
    x = 17,378.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.